Organic Chemistry – Some Basic Principles and Techniques · NEET Preparation Chemistry

Which of the following carbocations is the most stable?

Practice question from Organic Chemistry – Some Basic Principles and Techniques (NEET Preparation Chemistry), with the correct answer and a step-by-step solution.

easy · MCQ · Q-A5C059

Which of the following carbocations is the most stable?

  1. A.(CH3)3C+Correct answer
  2. B.(CH3)2CH+
  3. C.CH3CH2+
  4. D.CH3+

Solution

Stability of alkyl carbocations increases with an increase in the number of alkyl groups attached to the positively charged carbon due to hyperconjugation and inductive effect. Tert-butyl carbocation ((CH3)3C+) is tertiary and possesses 9 alpha-hydrogens, making it the most stable among the given options.

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